|
Chemical formula
|
FeO(OH)·nH 2 O |
|
Crystalline System
|
Amorphous |
|
Class
|
Oxides |
| Origin | Segovia, Spain |
| Size |
Medium: 3.00-4.00 cm Large: 4.00-5.00 cm |
Massive brown Limonite.
Limonite is not a mineral as such but a mixture of several minerals, its main component is Goethite. It is a very common material in rusty areas with iron mineral deposits. It is caused by the decomposition of many iron minerals.
The piece you receive may differ slightly from the photo shown, since the minerals are natural and no pieces are identical. The size is approximate.